CALIPSO Level 0
Entry Title: CALIPSO Lidar Level 0 PIVB data

Entry ID: CAL_LID_L0_PIVB-Standard-V1-00
Aerosols Clouds Radiation Budget
Description

CAL_LID_L0_PIVB-Standard-V1-00 is the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) Lidar Level 0 PayloadInstrument Verification and Block (PIVB), Version 1-00 data product. These data were collected intermittently between August 2016 and June 2023 using the Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP). The CALIPSO payload flight software, when commanded, creates Lidar Level 0 PIVB data packets for each of the three channels: 532 nm parallel, 532 nm perpendicular, and 1064 nm. These packets contain the altitude-dependent profiles (15 m resolution) of the raw backscatter signals acquired in the high and low gain channels over 15 consecutive laser pulses prior to being processed by CALIOP’s on-board profile averaging algorithm. Also included in the product are time and position information for each laser pulse, associated instrument engineering data, and an array containing the on-board measurement altitudes. No post-processing is done for the PIVB data, so the backscatter profiles have not been altitude-registered, geolocated, range-corrected, or calibrated. The PIVB data is not part of routine science data capture and is acquired only episodically throughout the latter portion of the CALIPSO mission. CALIPSO was a partnership between NASA and the French Space Agency, CNES. CALIPSO was launched on April 28, 2006 to study the many roles played by clouds and aerosols in Earth’s climate and weather. It flew in the international A-Train constellation for coincident Earth observations from launch until September 13, 2018, when CALIPSO began lowering its orbit from 705 km to 688 km (428 miles) above the Earth to resume formation flying with CloudSat as part of the “C-Train”. The CALIPSO satellite carried three remote sensing instruments: the Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP), the ImagingInfrared Radiometer (IIR), and the Wide Field-of-View Camera (WFC). By mutual agreement between NASA and CNES, the CALIPSO science mission concluded on August 1, 2023.

DOI

10.5067/CALIOP/CALIPSO/CAL_LID_L0_PIVB-Standard-V1-00

Citation Styles for this Dataset
Resources and Documentation

Earthdata Forum

PROJECT HOME PAGE

NASA Mission Page for CALIPSO

CALIPSO Project Home Page

French (CNES) CALIPSO Home Page

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Keywords

From GCMD Science Keywords:
  • LIDAR
  • LIDAR BACKSCATTER
Data Distribution

File Format(s):

HDF4

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Spatial Information

spatial-coverage-map
Spatial Coverage: (S: -90, N: 90), (W: -180, E: 180)
Spatial Coverage Type: Horizontal Vertical
Coordinate System: Cartesian
Granule Spatial Representation: Cartesian
Locations

GLOBAL
Temporal Information

Temporal Coverage: 2016-08-23 - 2023-06-17
Platforms

Earth Observation Satellites
CALIPSO
Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations
CALIOP
Cloud-Aerosol Lidar with Orthogonal Polarization
Metadata Dates

Created on 2024-05-09
Last updated on 2024-07-16